{extend name="main/main" /}
{block name="main"}
<!--系统升级-->
<link rel="stylesheet" href="/skin/css/main/up_sys.css" type="text/css" media="all" />
<div class="boxs">
    <img src="/skin/images/main/logo.png" />
    <p> :( 开源版不支持在线升级</p>
</div>
{/block}